Siemens Miniature circuit breaker, 3-pole, C-curve, 400V, 10kA, 80A

Product Overview

The Siemens 5SY4380-7 is a high-performance miniature circuit breaker designed for reliable electrical protection in demanding industrial and commercial applications. This robust 3-pole circuit breaker features a high 80 A current rating with 400 V operational voltage and enhanced 10 kA breaking capacity, making it ideal for protecting high-current three-phase electrical circuits, heavy industrial equipment, and main distribution systems from overloads and short circuits.

Key Features

• Enhanced 10 kA Breaking Capacity: Superior protection against fault currents with higher breaking capacity than standard breakers
• 3-Pole Configuration: Provides comprehensive protection for three-phase electrical systems and heavy industrial loads
• C-Type Characteristic: Optimized for general applications with moderate inrush currents (5-10 times rated current)
• High Current Rating: 80 A rating perfect for industrial machinery, motors, and main distribution circuits
• Robust Design: Heavy-duty construction suitable for standard DIN rail mounting (D=70 mm)
• German Engineering: Manufactured in Germany ensuring premium quality and reliability
• UL1077 Recognition: Certified as supplementary protector for enhanced circuit protection
• Tool-Free Installation: Double slide mechanism enables quick assembly and disassembly without tools

Technical Specifications

• Current Rating: 80 A
• Voltage Rating: 400 V AC (480 VAC for UL applications)
• Breaking Capacity: 10 kA
• Number of Poles: 3
• Trip Characteristic: C-type
• Net Weight: 0.499 kg
• Depth: 70 mm (D=70 mm)
• Width: 3 modular spacings (54 mm)
• Packaging Dimensions: 58.00 x 94.00 x 84.00 mm
• Country of Origin: Germany
• EAN: 4001869304809

Applications

This high-current circuit breaker is particularly suitable for:

• Industrial machinery protection
• Three-phase motor protection
• Main distribution panel protection
• Air-conditioning and ventilation systems
• Control cabinets and controllers
• Heavy industrial equipment
• Manufacturing equipment protection
• Commercial building main circuits
• Power distribution systems
• Industrial control panels
• High-power lighting circuits
• HVAC systems
• Industrial automation equipment
• Production line equipment
• Motor control centers

Compliance & Certifications

• Standards Compliance: UL1077 recognized, IEC 60898-1/-2, IEC 60947-2, GB10963.1/.2, GB14048.2
• CE Marking: Complies with global standards for European markets
• RoHS Compliance: Compliant since October 1, 2006
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Contains lead in concentrations higher than 0.1% w/w as per Article 33 requirements
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner for returns

Advanced Features

• Visual Status Indication: Window design with green (off) and red (on) position indicators
• Touch Protection: Anti-finger contact terminal design for enhanced safety
• Dual-Chamber Terminals: Flexible conductor and busbar combinations
• Enhanced Safety: Insulated, dust-proof and anti-touch design
• Ergonomic Handle: Non-slip pattern handle for comfortable operation
• Modular Compatibility: Compatible with wide range of supplementary components

Product Classification

• eClass: 27-14-19-01 (versions 6-14)
• ETIM: EC000042 (versions 7-9)
• UNSPSC: 39-12-16-03
• IDEA: 4897
• Product Group: 5505

Download existing graphical data for this product:

• Product Datasheet
• Installation Manual
• SENTRON Product Catalog
• Technical Documentation